- Make sure this fits by entering your model number.
- 12 Essential Core Ball exercises on the ball surface
- Hand Pump and DVD included
- Anti-burst technology up to 400 lbs.
- Physician-certified exercises
- Long-lasting and durable
This fits your .
Everyone knows what a Gym Ball is, but no one really knows how to use one. Now that problem is solved with TRAINERball. TRAINERball™ for Core Strength, an exercise ball with detailed step-by-step instructional drawings of the perfect Core workout printed directly on the surface!